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Method and system for file retrieval using image virtual file system

a file system and image technology, applied in the field of file systems in computational devices, can solve the problems of difficult accessing a file, time-consuming for users, and intransparent file location for users

Inactive Publication Date: 2010-06-29
CISCO TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention provides methods, systems, and computer-readable media to access files from a computational device using an Image Virtual File System (IVFS). The IVFS works independently of virtual memory support and records the location of all files and directories in the device. This allows users to access and retrieve files without needing to know their exact location in the device. The technical effect of the invention is to provide a more efficient and user-friendly way to access files from a computational device.

Problems solved by technology

Therefore, the location of the file is not transparent to the user.
This can make accessing a file difficult and time-consuming for the user.

Method used

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Examples

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Embodiment Construction

[0016]Various embodiments of the invention provide methods, systems, and computer-readable media to retrieve files from memory or user configurable storage archive using an Image Virtual File System (IVFS). In the description herein for embodiments of the invention, numerous specific details are provided, such as examples of components and / or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and / or the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.[0017]Referring now to the drawings more particularly by reference numbers; FIG. 1 illustrates an environment 100 wherein various embodiment...

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PUM

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Abstract

Methods and systems have been provided that allow a user to access a file in a computational device. The location of the file is made transparent to the user. The request for the file includes the filename. The filename is mapped to the location of the file in the computational device. The file is returned if it is present in the cache of the computational device. Otherwise, the file is retrieved from a storage device. The cached files are, deleted from the cache on the basis of a policy-based-cache-deletion mechanism.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of Invention[0002]Embodiments of the invention relate, in general, to file systems in a computational device. More specifically, embodiments of the invention relate to methods and systems for accessing a file from a memory or a local device in the computational device.[0003]2. Description of the Background Art[0004]A typical file system stores and organizes computer files and data in a computational device. The file system records the location of all the files and directories present in, for example, the hard disk, CD-ROM and other data storage devices. Moreover, the typical file system helps a user to manipulate, navigate, access and retrieve desired files from a computational device.[0005]Conventionally, various file systems are used to access a file from any location in a Computational device. One conventional file system is a LINUX™-based, buffered file system. This file system requires virtual memory (VM) support to function. Virtual Me...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): G06F7/00
CPCG06F17/30132G06F17/30082G06F16/172G06F16/122
Inventor SHETTY, VIGNESH DAYANANDGITELSON, GARYAGARWAL, NAVNEET
Owner CISCO TECH INC